<template>
  <div class="app-container">
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      element-loading-text="数据加载中"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>


      <el-table-column label="封面" width="900px">
        <template slot-scope="scope">
          <img :src="scope.row.imageUrl" class="banner-img" style="width:800px">
        </template>
      </el-table-column>

      <el-table-column prop="title" label="标题" width="80"/>

      <el-table-column prop="linkUrl" label="链接地址"/>

      <el-table-column prop="gmtCreate" label="添加时间" sortable />

      <el-table-column prop="sort" label="排序" sortable width="80"/>

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'edit/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="limit"
      :total="total"
      background
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>

<script>
  import banner from '@/api/cms/banner'

  export default {
    data() {
      return {
        listLoading: true, // 是否显示loading信息
        list: null, //查询后返回数据
        page: 1, //当前页
        limit: 3, //每页记录数
        total: 0, //总记录数
      }
    },created() {
      this.getList()
    },
    methods: {
      //获取列表
      getList(page = 1) {
        this.page = page
        banner.pageListBanner(this.page, this.limit)
          .then(response => {
            const data = response.data
            this.list = data.items //列表
            this.total = data.total //总数
            console.log(data)
            this.listLoading = false
          }) //请求成功
          .catch(error => {
            console.log(error)
          })//请求失败
      },
      // 删除
      //删除
      removeDataById(id) {
        // ////debugger
        //MessageBox 在utils/request.js中已引用
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          return banner.removeById(id)
        }).then(() => {
          this.getList()
          this.$message.success("删除成功")
        }).catch((response) => { // 失败
          if (response === 'cancel') {
            this.$message.info('已取消删除')
          } else {
            this.$message.error('删除失败')
          }
        })
      }
    }
  }
</script>

<style scoped>
.banner-img{
  width: 300px;
}
</style>
